[PATCH] selftests: Fix arm64 test installation

[Mark Brown]

On Mon, Jul 10, 2023 at 04:10:14PM -0700, John Hubbard wrote:
> On 7/10/23 15:30, Mark Brown wrote:

> > There is a floor on binutils version for the kselftests that's more
> > aggressive than that for the kernel itself, though that looks like RHEL
> > 8 which has binutils 2.30 which *should* be fine for most things - the
> > MTE tests won't build but they do have version detection so should skip,
> > I guess you might have trouble with PAC support which doesn't have
> > detection in the tests?  It's certainly old enough that I'm surprised to
> > hear someone doing development for anything current with it.

> This used to be a development machine, but now it is sufficiently old
> that it is lightly used--that would explain how I could reserve it on
> short notice for this. Maybe I'll adopt it and upgrade to a modern
> distro, now that I seem to need an arm64 box.


> > That does seem to work around the issue at least with a quick out of
> > tree build, including with GCC 8.

> Great news! That's really helpful. And in fact, I have discovered two
> more things:

> 1) The "emit_tests" target is there apparently because commit
> 313a4db7f3387 ("kselftest: arm64: extend toplevel skeleton Makefile")
> believed that it was necessary to skip emitting tests if not on the
> right native platform. I'm tempted to delete the entire emit_tests
> target in both arm64 and riscv selftests (and that also seems to work
> just fine) in order to simplify things, perhaps as a follow up step.

> For now I'll just post the simpler fix, though.

I suspect it might've been needed at the time the patch was written but
subsequent changes in the kselftest Makefile stuff have obsoleted it.
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